Home / 928,052.20-1,392,078.30-571,911.40

Finding the Fourth Proportional to 928,052.20, 1,392,078.30 and 571,911.40

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Solution

The fourth proportional to 928,052.20, 1,392,078.30 and 571,911.40 is: 857,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,052.20 : 1,392,078.30 = 571,911.40 : x
  2. Step 2: Convert to fraction form
    928,052.20/1,392,078.30 = 571,911.40/x
  3. Step 3: Cross multiply
    928,052.20x = 1,392,078.30 × 571,911.40
  4. Step 4: Simplify right side
    928,052.20x = 796,145,449,462.62
  5. Step 5: Solve for x
    x = 796,145,449,462.62/928,052.20
  6. Step 6: Final answer
    x = 857,867.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.